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Finding the Fourth Proportional to 175,131, 241,680.78 and 95,643

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Solution

The fourth proportional to 175,131, 241,680.78 and 95,643 is: 131,987.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,131 : 241,680.78 = 95,643 : x
  2. Step 2: Convert to fraction form
    175,131/241,680.78 = 95,643/x
  3. Step 3: Cross multiply
    175,131x = 241,680.78 × 95,643
  4. Step 4: Simplify right side
    175,131x = 23,115,074,841.54
  5. Step 5: Solve for x
    x = 23,115,074,841.54/175,131
  6. Step 6: Final answer
    x = 131,987.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.